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<html lang="zh-cn">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
		<style>
			
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		<script>
			
			/*var arr = [];
			for( let i = 0; i < 5; i++ ){
				arr.push(function (){
					alert(i)	
				})
			}

			console.log(arr);

			arr[3]()
			arr[4]()*/

			/*{
				miaov  = 1;
				let miaov;
			}*/

			function fn(){
				miaov = 10;

				let miaov;	
			}

			fn()

		</script>
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	</body>
</html>